163235450051220 has 96 divisors (see below), whose sum is σ = 481273230372480. Its totient is φ = 41224867799040.

The previous prime is 163235450051213. The next prime is 163235450051237. The reversal of 163235450051220 is 22150054532361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20076337 + ... + 27009816.

It is an arithmetic number, because the mean of its divisors is an integer number (5013262816380).

Almost surely, 2^{163235450051220} is an apocalyptic number.

163235450051220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163235450051220 is an abundant number, since it is smaller than the sum of its proper divisors (318037780321260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163235450051220 is a wasteful number, since it uses less digits than its factorization.

163235450051220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47089225 (or 47089223 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 163235450051220 in words is "one hundred sixty-three trillion, two hundred thirty-five billion, four hundred fifty million, fifty-one thousand, two hundred twenty".